.allBgc {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.centerBgc {
    width: 46.75rem;
    height: 25.25rem;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.centerTitleBig{
    width: 100%;
    height: 6.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Source Han Sans CN;
    font-size: 2.25rem;
    color: #161A1E;
    font-weight: 800;
}

.centerTitle {
    width: 100%;
    height: 6.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Source Han Sans CN;
    font-weight: 500;
    font-size: 2.25rem;
    color: #161A1E;
}
.backBtn{
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    >div{
        width: 10.25rem;
        height: 4.1875rem;
        background: #126DF8;
        border-radius: .875rem;
        font-family: Source Han Sans CN;
        font-weight: 500;
        font-size: 2rem;
        color: #FFFFFF;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}